What fraction does this number-line show? (I Put a Picture)

1/2

Step-by-step explanation:

The equal distance between 0 and 1 must be one-half or 1/2.

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.